The American Economic Association's registry for randomized controlled trials
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943 Trials Found
D14, D91, I31, O12, O16, J16
J08, J38, D63, D91
C91, D70, D91, M54
C93, C72, O10, D02, D91, N00, J15
C90, D91, K42
D91; I25
C93, D91, Q18
D91, I20, J16, O33
D91
O13, Q12, Q16, D91, C93